Keywords
abstract, alveolus, anatomy, artwork, biology, biomedical illustrations, branch, bronchiole, bronchus, capillary, circulation, circulatory system, close-up, color image, detail, digitally generated image, healthcare, horizontal, human lungs, illustration, lung, magnification, medical, medicine, microbiology, microscopic, no people, orange, respiratory system, respiratory tract, respiratory tree, science, three dimensional, stock illustration, royalty free illustrations, stock clip art icon, stock clipart icons, logo, line art, EPS picture, pictures, graphic, graphics, drawing, drawings, vector image, artwork, EPS vector arts, fine art prints, print, poster, posters, mural, wall murals, stk700357h